Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Park Colliery, plan
Black print on brown paper. Plan No.2 showing Park Estate and depicting level gross from pits, proposed pits, crop of minerals, June 3 1874.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.